Atsuhiro Sako (迫さこ圧あつ紘ひろ Sako Atsuhiro?), also known as Mr. Compress (Mr.ミスターコンプレス Misutā Konpuresu?), is a recurring villain affiliated with the League of Villains, was a member of the organization's Vanguard Action Squad, and later became one of the nine lieutenants of the Paranormal Liberation Front.[2] He followed in the footsteps of the Peerless Thief, who was his great great grandfather[3] and became a nationwide wanted thief,[4] being one of the more 'experienced' members of the League.